Costco Sues US Gov’t Over Trump Tariffs, Seeks Refunds
Costco Challenges Trump-Era Tariffs, Escalating Legal Battle Over Presidential Authority
VALLEJO, CA – Costco Wholesale Corporation has launched a legal challenge against the U.S. federal government, seeking to block the enforcement of emergency tariffs imposed during the Donald Trump administration and recover funds already paid on imported goods. The lawsuit, filed in the Court of International Trade, represents a significant escalation in the ongoing legal battle over the scope of presidential power to levy tariffs without explicit congressional authorization.
The Looming Liquidation Deadline Fuels Costco’s Action
At the heart of Costco’s complaint is a procedural deadline known as “liquidation.” According to the company, the government is poised to finalize – or liquidate – import entries beginning December 15th. Once an entry is liquidated, the assessed duty amount becomes final, severely limiting importers’ ability to contest the charges or seek refunds. Costco states that one of its import entries has already been finalized, prompting immediate legal action to prevent further entries from reaching the same fate.
“The timing is critical,” explains trade attorney Sarah Miller, partner at Thompson & Knight, who is not involved in the case. “Liquidation effectively cuts off a company’s recourse. They’ve paid the duties under protest, but without a court order preventing liquidation, recovering those funds becomes exponentially more difficult.”
A Question of Presidential Authority
Costco’s legal argument centers on the claim that President Trump improperly invoked an emergency-powers law to impose tariffs on goods originating from China, Mexico, Canada, and numerous other countries. The company contends that the statute in question does not grant the president the authority to either create or raise tariffs. This echoes arguments made in several other cases challenging the legality of the Trump-era tariffs, which were largely implemented under Section 232 of the Trade Expansion Act of 1962, ostensibly to protect national security.
The legal debate isn’t simply about the money already paid. It’s about establishing a precedent for future trade policy. The World Trade Organization (WTO) has consistently ruled against the U.S. on several of these tariffs, finding they violate international trade rules. The U.S. has largely ignored these rulings, further complicating the situation.
Broader Implications for Importers and Supply Chains
Costco isn’t alone in challenging these tariffs. Target and Walmart have also faced pressure from increased import costs, and other companies, including Learning Resources, Inc., and V.O.S. Selections, Inc., have filed similar lawsuits. V.O.S. Selections, an importer of wine and spirits, has already secured significant rulings against the tariff orders, with the case currently before the Supreme Court.
The cumulative effect of these tariffs has been a noticeable increase in costs for businesses and, ultimately, consumers. According to data from the Bureau of Economic Analysis, U.S. import prices increased by 1.6% in October 2023, with tariffs contributing significantly to that rise. This increase in import costs has contributed to the overall inflationary pressures experienced by the U.S. economy, particularly in the retail sector.
The Supreme Court’s Role and Potential Outcomes
The Supreme Court heard arguments on the broader legal question of presidential tariff authority last month, and a decision is anticipated in the coming months. The outcome of that case will have far-reaching implications for Costco’s lawsuit and the dozens of other pending challenges. A ruling upholding the legality of the tariffs would likely close the door on refund claims. However, a decision siding with the importers could open the floodgates for companies seeking to recover billions of dollars in improperly paid duties.
“The Supreme Court’s decision will be pivotal,” says Dr. Emily Carter, an economist specializing in international trade at the Peterson Institute for International Economics. “It will not only determine the fate of these specific tariffs but also clarify the boundaries of presidential power in trade policy. The stakes are incredibly high, not just for businesses like Costco, but for the entire global trading system.”
Costco is requesting the court to declare the tariff orders invalid, halt Customs and Border Protection from applying the tariffs to future shipments, and mandate the government to reimburse all duties paid under the emergency tariff program. FOX Business has reached out to Costco for further comment on the lawsuit.
A shopper loads items into a vehicle at a Costco store in Vallejo, California, on Thursday, May 29, 2025. (David Paul Morris/Bloomberg / Getty Images)